A 67-year-old woman who took out her phone to record two people she was arguing with on the train was beaten up and robbed, cops said.

The straphanger was riding on a northbound “E” train in Midtown Manhattan Tuesday around 5:45 p.m. when the dispute started, according to police.

When the woman turned on her phone camera, a woman grabbed the phone from her while the robber’s male accomplice punched the victim multiple times in the head, according to the NYPD.

The suspects fled the train at the next station and were still being sought, police said, as they released surveillance images of the duo, who were seen pushing a stroller sans baby.

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